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Showing 25–39 of 15 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Results available

A Study of Pharmacokinetic Drug Interaction Study of the Hedgehog Pathway Inhibitor GDC-0449 in Combination With Rosiglitazone or Combined Oral Contraceptive in Patients With Locally Advanced or Metastatic Solid Tumors That Are Refractory to Standard Therapy or for Whom No Standard Therapy Exists

NCT01209143
View directory record Official record
Conditions
Solid Cancers
Interventions
Vismodegib, Rosiglitazone, Norethindrone/ethinyl estradiol
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Stanford, California • Detroit, Michigan • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2015 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study of Danicopan

NCT04709094
View directory record Official record
Conditions
Healthy
Interventions
Danicopan, Warfarin, Bupropion, Ethinyl Estradiol/Norethindrone
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Chronic Pain Risk Associated With Menstrual Period Pain

NCT02214550
View directory record Official record
Conditions
Cystitis, Interstitial, Dysmenorrhea, Migraine Disorders, Pelvic Pain, Endometriosis, Visceral Pain, Chronic Pain
Interventions
cyclic microgestin 1/20, continuous microgestin 1/20
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Non-Fasted Conditions

NCT01344369
View directory record Official record
Conditions
Healthy
Interventions
Norethindrone/Ethinyl Estradiol, FEMCON® Fe
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2011 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Loestrin 24(24 Days of "Real" Pills) Fe Versus Loestrin 1/20 (21 "Real" Pills)

NCT00475189
View directory record Official record
Conditions
Pelvic Pain, Headaches, Emotional
Interventions
loestrin 24/4 vs loestrin 1/20, loestrin 1/20
Drug
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Fasting Conditions

NCT01340625
View directory record Official record
Conditions
Bioequivalence
Interventions
Norethindrone/Ethinyl Estradiol, Ovcon® 35 Fe
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated May 24, 2011 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00477633
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone/ethinyl estradiol
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
63
States / cities
Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Contraceptive (OC) Progestin Dose and Breast Proliferation

NCT00972439
View directory record Official record
Conditions
Oral Contraceptive
Interventions
Oral Contraceptive: Ortho-Novum® 1/35, Oral Contraceptive: Ovcon Fe®
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Pharmacokinetic Drug-Drug Interactions of Lemborexant When Coadministered With an Oral Contraceptive, Famotidine, or Fluconazole in Healthy Subjects

NCT03451110
View directory record Official record
Conditions
Healthy Subjects
Interventions
lemborexant, Loestrin, famotidine, fluconazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Ovulation Incidence in Oral Contraceptive Users

NCT03106454
View directory record Official record
Conditions
Contraception, Ovulation
Interventions
Ethinyl Estradiol, Norethindrone acetate, ferrous fumarate, Norethindrone
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00391807
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone acetate/ethinyl estradiol
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
66
States / cities
Phoenix, Arizona • Tempe, Arizona • Tucson, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Measuring the Effectiveness of BMS-986256 Combined With Oral Contraceptive in Healthy Female Participants

NCT04016753
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986256, Loestrin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
21 Years to 40 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Isavuconazole and Oral Contraceptive Containing Ethinyl Estradiol and Norethindrone

NCT01597986
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Ethinyl Estradiol and Norethindrone, Healthy Volunteers
Interventions
isavuconazole, Oral Contraceptive (ethinyl estradiol / norethindrone)
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
50 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 15, 2012 · Synced Sep 17, 2026, 7:59 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Impact of Oral Contraceptives on GABA and Neurosteroids

NCT00656318
View directory record Official record
Conditions
Healthy
Interventions
oral contraceptive pill (OCP; OCPs)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced Sep 17, 2026, 7:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of VI-0521 on the Pharmacokinetics of Oral Contraceptive in Healthy Female Subjects

NCT00821496
View directory record Official record
Conditions
Healthy
Interventions
ethinyl estradiol, norethindrone, VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 64 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 1, 2009 · Synced Sep 17, 2026, 7:59 PM EDT